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Which type of boiler do I need?

How do I decide which type of boiler best suits my needs?

There are 3 different types of boiler:

  • Combi boiler (or ‘combination’ boiler)
  • Regular boiler (often also referred to as a ‘traditional’ or ‘conventional’ boiler)
  • System boiler

Combi boilers provide heating and hot water directly from the boiler.

Regular and system boilers heat your central heating system directly and produce hot water for your cylinder.

Which boiler you need will depend on several factors, including your property and lifestyle. It will also depend on the professional advice of a Gas Safe Register installer for gas boilers, or, an OFTEC registered installer for oil-fired boilers.

Requirements Most suitable boiler
You want to use your loft space for a room conversion or other purpose Combi boiler
You live in a flat or bungalow (i.e. have very little or no roof space) Combi boiler
Your home has more than 2 bathrooms Regular or system boiler
Your main water pressure is low Regular or system boiler
You want to replace an old boiler to improve an existing conventional central heating system Regular, system or combi boiler
You need to have hot water available on tap without waiting for it to heat up. Combi boiler


Find a new boiler for your home

Read more about combi boilers

Read more about regular boilers

Read more about system boilers

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